Flow gas and air regulating device for sacks and flexible container



FIG. 1 is a top/front/left-side perspective view of the flow gas and air regulating device for sacks and flexible container showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a right-side elevational view thereof. 

I claim the ornamental design for a flow gas and air regulating device for sacks and flexible container, as shown. 